@article{Schaefer:2021Up,
  author = "Schaefer, Wolfgang",
  title = "{Dielectron production: QGP versus photon -- photon mechanism}",
  doi = "10.22323/1.390.0566",
  journal = "PoS",
  year = 2021,
  volume = "ICHEP2020",
  pages = "566"
}